Statistics Mean Mock Tests
6 questions available
Statistics Mean Mock Test 1
Questions:
6
नमूना प्रश्न
In a class, the average score of 12 boys is 70 and the average score of 8 girls is 80. What is the average score of the entire class?
The mean of 10, 20, 30, and x is 25. What is x?
The average score of 8 students on a test is 75. If the teacher's score is included, the average increases by 2 points. What is the teacher's score?
The mean of 5, 10, 15, 20, and x is 14. What is the value of x?
The average age of 25 employees in a department is 35 years. When the manager's age is included, the average increases by 2 years. What is the manager's age?
The average of 4, 8, and x is 8. What is the value of x?
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